US$ 34.19
and simple-machine force-motion measurements
this 4mm-stackable safety lead carries up to 12A through nickel-plated split-hollow pins on both ends
Cut-away 17-inch active volcano model reveals magma chamber
Base-mounted 2-stroke diesel engine model in aluminum and plastic
5mm thermometer hole for specific-heat-capacity experiments
Ray Box with Magnetic Base, 12V 21W Category_Plasticware and simple-machine force-motion measurementsMagnetic base anchors the metal cased unit to benches and steel boards, while variable focus produces five parallel beams that a shutter masks selectively. Ships with a 12V 21W bulb.
US$ 34.19
US$ 20.19
US$ 47.96
US$ 14.49
US$ 129.21
US$ 221.97
US$ 168.48
US$ 127.03
US$ 70.87
US$ 63.67
US$ 69.54
US$ 38.91
US$ 183.95